In a right triangle the length of a hypotenuse is c and the length of one leg is a. Find the length of the other leg b, if:
c=5, a=3;
2 answers
b^2 = a^2 - c^2 ... ever heard of Pythagoras?
a^2 + b^2 = c^2.
3^2 + b^2 = 5^2.
9 + b^2 = 25,
b^2 = 25-9,
3^2 + b^2 = 5^2.
9 + b^2 = 25,
b^2 = 25-9,